[Qemu-devel] [PULL v2 17/25] gluster: Switch .bdrv_co_discard() to byte-based

[Stefan Hajnoczi <stefanha@redhat.com>]

From: Eric Blake <eblake@redhat.com>

Another step towards killing off sector-based block APIs.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1468624988-423-12-git-send-email-eblake@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 block/gluster.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/block/gluster.c b/block/gluster.c
index 406c1e6..ef3b0de 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -724,14 +724,12 @@ error:
 }
 
 #ifdef CONFIG_GLUSTERFS_DISCARD
-static coroutine_fn int qemu_gluster_co_discard(BlockDriverState *bs,
-        int64_t sector_num, int nb_sectors)
+static coroutine_fn int qemu_gluster_co_pdiscard(BlockDriverState *bs,
+                                                 int64_t offset, int size)
 {
     int ret;
     GlusterAIOCB acb;
     BDRVGlusterState *s = bs->opaque;
-    size_t size = nb_sectors * BDRV_SECTOR_SIZE;
-    off_t offset = sector_num * BDRV_SECTOR_SIZE;
 
     acb.size = 0;
     acb.ret = 0;
@@ -976,7 +974,7 @@ static BlockDriver bdrv_gluster = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -1004,7 +1002,7 @@ static BlockDriver bdrv_gluster_tcp = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -1032,7 +1030,7 @@ static BlockDriver bdrv_gluster_unix = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
@@ -1060,7 +1058,7 @@ static BlockDriver bdrv_gluster_rdma = {
     .bdrv_co_flush_to_disk        = qemu_gluster_co_flush_to_disk,
     .bdrv_has_zero_init           = qemu_gluster_has_zero_init,
 #ifdef CONFIG_GLUSTERFS_DISCARD
-    .bdrv_co_discard              = qemu_gluster_co_discard,
+    .bdrv_co_pdiscard             = qemu_gluster_co_pdiscard,
 #endif
 #ifdef CONFIG_GLUSTERFS_ZEROFILL
     .bdrv_co_pwrite_zeroes        = qemu_gluster_co_pwrite_zeroes,
-- 
2.7.4